<form action="/user/signup" method="post">
  <p>userName: <input type="text" name="userName" /></p>
  <p>phone: <input type="text" name="phone" /></p>
  <p>password: <input type="text" name="password" /></p>
  <p>sex: <input type="text" name="sex" /></p>
  <input type="submit" value="Submit" />
</form>